CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What the vulnerability does
The File Sharing & Download Manager – User Private Files plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'fldr_ttl' parameter in all versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
The User Private Files plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 2.1.6. An authenticated attacker with low privileges can inject malicious scripts that execute in the browsers of other users, including site administrators. The vulnerability has scope change, meaning the impact extends beyond the plugin itself to affect the broader site.
What an attacker can do
Inject malicious scripts that run in other users' browsers, potentially stealing session tokens or performing actions as those users.
Potential impact on your site
Authenticated users can be compromised; admin accounts are at risk. Malicious scripts can steal credentials, modify site content, or create backdoor accounts.
Conditions required to exploit
Attacker must have a low-privilege WordPress account (e.g., subscriber or contributor role) and network access to the site.
Key dates
External resources
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